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For the Inventor, By the Inventor

Tokyo, Japan

Sony Dadc Corporation

Calculating rank
USPTO Granted Patents = 12

% Expired Patents = 75.0


Forward Citations = 3

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19 inventors (with patents filed for the assignee):

goldMedal Shinobu Hayashi (3 out of 5 patents)

silverMedal Naoki Okawa (3 out of 7 patents)

bronzeMedal Kenjiro Ueda (2 out of 72 patents)

4.  Markus Spitzlinger (2 out of 6 patents)

5.  Andreas Winter (2 out of 11 patents)

6.  Klaus Holzapfel (2 out of 9 patents)

7.  Akiya Saito (2 out of 32 patents)

8.  Toru Aida (2 out of 39 patents)

9.  Akitoshi Suzuki (1 out of 44 patents)

10.  Tetsuhiro Sakamoto (1 out of 29 patents)

11.  Masaaki Iwasaki (1 out of 104 patents)

12.  Yukie Suzuki (1 out of 1 patent)

13.  Jun Nakano (1 out of 38 patents)

14.  Tsukasa Murota (1 out of 2 patents)

15.  Takehiro Sato (1 out of 1 patent)


12 patents:

1. 9150411 - Fusing method of substrate layer, manufacturing method of microfluidic chip and fusing apparatus of substrate layer (2015-10-06),
2. 8885450 - Method of manufacturing master disc, method of manufacturing recording medium, program, and recording medium (2014-11-11),
3. 8767520 - Method of producing recording medium, and recording medium (2014-07-01),
4. 8691039 - Method and device for thermocompression bonding (2014-04-08),
5. 8663432 - Magnetron sputtering apparatus and magnetron sputtering method (2014-03-04),
6. 8582410 - Master strategy adjustment method and disc manufacturing method (2013-11-12),
7. 8462608 - Read-only optical recording medium (2013-06-11),
8. 8446804 - Disc inspecting method and disc inspecting device (2013-05-21),
9. 8441898 - Method and devices for copy protection, copy protected record carrier (2013-05-14),
10. 8411545 - Recording apparatus, master manufacturing apparatus, and method of manufacturing an optical disc recording medium (2013-04-02),
11. 8385176 - Read-only optical disc and method of manufacturing a read-only optical disc (2013-02-26),
12. 8374064 - Method and devices for copy protection, copy protected record carrier (2013-02-12),
Company Overview
Sony DADC Corporation specializes in the development and manufacturing of digital content distribution solutions and media products. With a focus on innovative technologies, the company operates in various sectors, including entertainment, gaming, and software services. Headquartered in Tokyo, Japan, Sony DADC leverages its expertise in digital rights management and cloud-based solutions to enhance the delivery and security of digital content across global markets. The organization is committed to advancing the digital landscape through cutting-edge technology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Sony Dadc Corporation USPTO Patent Assignee Logo
12 Patents

#1,729 in Tokyo

#3,936 in Japan

#48,209 in the World

Tokyo, JP
Tokyo, Japan

Sony Dadc Corporation

Forward Citations = 3

19 inventors:

goldMedal Shinobu Hayashi (3 out of 5 patents)

silverMedal Naoki Okawa (3 out of 7 patents)

bronzeMedal Kenjiro Ueda (2 out of 72 patents)

4.  Markus Spitzlinger (2 out of 6 patents)

5.  Andreas Winter (2 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sony Dadc Corporation. Retrieved from https://idiyas.com/company/sony-dadc

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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